(Topic ID: 170504)

Need a part number for a part on a Bally Score Motor

By jodini

7 years ago



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  • 5 posts
  • 2 Pinsiders participating
  • Latest reply 7 years ago by gottguy
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#1 7 years ago

O.K. guys...any help would be appreciated. I don't know what the part number is, so I'll try to explain as well as possible.

The score motor on this Bally Loop the Loop (1966) does not work properly. The motor shaft that gets "sucked" into the gearbox has two issues. It's missing the spring that pushes the shaft back to neutral and the end of the shaft that goes into the gearbox has a nylon gear that looks chewed up. Does anyone know the part number to these two items. Can't find them in the Bally parts book.

Thanks in advance.
Joe

#3 7 years ago

And Clay explains the part here:
"Be careful when removing the motor from the gearbox. Often there is a small lightweight spring on the armature, along with a brass bushing. Don't loose these parts! The spring is used to push the armature gear away from the first gearbox gear. This way when the motor first powers on, it does so in a "free-wheel" mode. As the motor comes to full power after half a second, the armature is pulled towards the center of the motor's layered frame plates. This compresses the spring and engages the armature to the gearbox. Likewise when power is removed, the spring pushes the armature gear away from the first gearbox gear, causing the gearbox to immediately "stop on a dime". "

And that's the spring I'm missing!

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